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Finding the Fourth Proportional to 529,350.91, 730,491.42 and 296,762.43

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Solution

The fourth proportional to 529,350.91, 730,491.42 and 296,762.43 is: 409,524.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,350.91 : 730,491.42 = 296,762.43 : x
  2. Step 2: Convert to fraction form
    529,350.91/730,491.42 = 296,762.43/x
  3. Step 3: Cross multiply
    529,350.91x = 730,491.42 × 296,762.43
  4. Step 4: Simplify right side
    529,350.91x = 216,782,412,745.55
  5. Step 5: Solve for x
    x = 216,782,412,745.55/529,350.91
  6. Step 6: Final answer
    x = 409,524.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.